For over 40 years, MOMO has been supplying the automotive enthusiast with the finest Italian designed and manufactured accessories for your vehicle. Momo's shift knobs are manufactured using top-grain leathers, aircraft-quality aluminum and high-grade plastics. All shift knobs attach using the hardware and fitting instructions included in the kit, for a secure fit, ensuring years of driving enjoyment. MOMO shift knobs will fit shift levers that are between 8 -15 mm in diameter. This product has a limited warranty that DOES NOT apply to defects or damage caused by abuse, misuse, accident, shipment, use other than normal and ordinary family or household use, use of improper cleaning chemicals, exposure to road, salt or installation of the Product not in accordance with the installation provided by MOMO. Racing will be construed as a misuse and abuse of the Product.